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What is the working principle of the ultra-clean workbench?
What is the working principle of the ultra-clean workbench?The working principle of the ultra-clean table is to use air purification technology and airflow organization to provide a highly clean environment for the work area. The details are as follows:Air filtration: The ultra-clean workbench is equipped with a multistage air filtration system. Usually through the pre-filter, the large dust particles, hair, and other impurities in the air are removed, which plays the role of preliminary filtration to protect the subsequent high-efficiency filter. The air then passes through a high-efficiency air filter (HEPA) for secondary filtration. The HEPA filter can effectively intercept small dust particles and microorganisms in the air, and its filtration efficiency can reach more than 99.97%, which can ensure that the air blown out of the filter has a high degree of cleanliness. Airflow organization: The filtered clean air is blown out of the air surface of the high-efficiency filter at a certain speed and a uniform cross-section wind speed, forming a stable airflow. The common airflow organization forms are vertical laminar flow and horizontal laminar flow. In vertical laminar flow, clean air flows vertically down from the top of the workbench, taking away pollutants such as dust particles and biological particles in the working area, and returning to the fan plenum through the return air outlet to form a circulation. Horizontal laminar flow is clean air blown horizontally from one side of the workbench and flows along the surface of the workbench, pushing pollutants to the other side and discharging them, also forming a circulating airflow. This stable and uniform airflow can form a one-way flow of clean air environment in the work area, preventing the intrusion of external pollutants, while constantly taking away the pollutants generated during the work process, to maintain the high cleanliness of the work area. |
